题目

Sometime in the next century, the familiar early-morning newspaper on the front door will disappear. And instead of reading your newspaper, it will read to you. You’ll get up and turn on the computer newspaper just like switching on the TV. An electronic voice will distribute stories about the latest events, guided by a program that selects the type of news you want. You’ll even get to choose the kind of voice you want to hear. Want more information on the brief story? A simple touch makes the entire text appear. Save it in your own personal computer file you like. These are among the predA、B、C是中学化学常见的三种物质，它们之间的相互转化关系如下（部分反应条件及产物略去）．（1）若A是一种黄色单质固体，则B→C的化学方程式为 ．（2）若A是一种活泼金属，C是淡黄色固体，则C的名称为 ，试用化学方程式表示该物质与二氧化碳气体的反应 ．将C长期露置于空气中，最后将变成物质D，D的化学式为 ．现有D和NaHCO3的固体混合物10g，加热至质量不再改变，剩余固体质量为9.38g，D的质量分数为 ．（3）若C是红棕色气体，A可能是一种能使湿润的红色石蕊试纸变蓝的气体．如图1是实验室制取A气体的装置，请结合所学知识，回答下列问题：①收集A的方法是 ，验证A是否已经收集满的方法是 （任写一种）．②写出实验室制取A的化学方程式 ．③若有5.35g氯化铵参加反应，则产生的A气体在标准状况下的体积为 L．④试写出C与水反应的化学方程式 ，反应可得到酸X，X是 电解质（填“强”或“弱”）．如图2：足量X的浓溶液与Cu反应，写出烧瓶中发生反应的离子方程式 ．实验完毕后，试管中收集到的气体的主要成分为 （写化学式）．